English empirical

← English empiric (suffix)

← English al (suffix)

← Proto-Indo-European *per- (root)

→ English empirically (suffix)

→ English nonempirical (prefix)

→ English semiempirical (prefix)

→ English antiempirical (prefix)

→ English superempirical (prefix)

→ English empiricalness (suffix)

→ English unempirical (prefix)

→ English psychoempirical (prefix)

→ English equiempirical (prefix)